From 7e1f49da6881bbf938e502d99335ad5488eb93b4 Mon Sep 17 00:00:00 2001
From: Jeff Dike <jdike@addtoit.com>
Date: Thu, 28 Jul 2005 21:16:09 -0700
Subject: [PATCH] uml: Fix load average >=1
update_process_times was missing its irq_enter/irq_exit wrapper. This caused
ksoftirqd to be scheduled on every clock tick.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
arch/um/kernel/time_kern.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index a8b4ef601f..4e08f7545d 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -137,7 +137,10 @@ long um_stime(int __user *tptr)
void timer_handler(int sig, union uml_pt_regs *regs)
{
local_irq_disable();
- update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)), (regs)->skas.is_user));
+ irq_enter();
+ update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)),
+ (regs)->skas.is_user));
+ irq_exit();
local_irq_enable();
if(current_thread->cpu == 0)
timer_irq(regs);
--
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